<?php
/*
 * @ https://EasyToYou.eu - IonCube v11 Decoder Online
 * @ PHP 7.2 & 7.3
 * @ Decoder version: 1.1.6
 * @ Release: 10/08/2022
 */

// Decoded file for php version 71.
class PHPExcel_Reader_Excel5_RC4
{
    protected $s = [];
    protected $i = 0;
    protected $j = 0;
    public function __construct($key)
    {
        $len = strlen($key);
        $this->i = 0;
        while ($this->i < 256) {
            $this->s[$this->i] = $this->i;
            $this->i++;
        }
        $this->j = 0;
        $this->i = 0;
        while ($this->i < 256) {
            $this->j = ($this->j + $this->s[$this->i] + ord($key[$this->i % $len])) % 256;
            $t = $this->s[$this->i];
            $this->s[$this->i] = $this->s[$this->j];
            $this->s[$this->j] = $t;
            $this->i++;
        }
        $this->i = $this->j = 0;
    }
    public function RC4($data)
    {
        $len = strlen($data);
        for ($c = 0; $c < $len; $c++) {
            $this->i = ($this->i + 1) % 256;
            $this->j = ($this->j + $this->s[$this->i]) % 256;
            $t = $this->s[$this->i];
            $this->s[$this->i] = $this->s[$this->j];
            $this->s[$this->j] = $t;
            $t = ($this->s[$this->i] + $this->s[$this->j]) % 256;
            $data[$c] = chr(ord($data[$c]) ^ $this->s[$t]);
        }
        return $data;
    }
}

?>